/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineEditor/Public/MoviePipelinePIEExecutor.h
This is the implementation responsible for executing the rendering of multiple movie pipelines in the currently running Editor process. This involves launching a Play in Editor session for each Movie Pipeline to process.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Blueprintable) class UMoviePipelinePIEExecutor : public [UMoviePipelineLinearExecutorBase](API\Plugins\MovieRenderPipelineCore\UMoviePipelineLinearExecutorBase)